[INFO] cloning repository https://github.com/Peter-JanGootzen/tcp_http_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Peter-JanGootzen/tcp_http_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeter-JanGootzen%2Ftcp_http_server"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeter-JanGootzen%2Ftcp_http_server'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 374b2cc8f989b38d50e2efb0dea66ae117167530
[INFO] checking Peter-JanGootzen/tcp_http_server against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeter-JanGootzen%2Ftcp_http_server" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Peter-JanGootzen/tcp_http_server on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Peter-JanGootzen/tcp_http_server
[INFO] finished tweaking git repo https://github.com/Peter-JanGootzen/tcp_http_server
[INFO] tweaked toml for git repo https://github.com/Peter-JanGootzen/tcp_http_server written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Peter-JanGootzen/tcp_http_server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 963894fdd80c3fb8bf74ca97e020750072e039de85baf687fda3530d76cc258b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "963894fdd80c3fb8bf74ca97e020750072e039de85baf687fda3530d76cc258b"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking tcp_http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/server/threadpool.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]  --> src/server/worker.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     id: usize,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/server/worker.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     thread: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/server/threadpool.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]  --> src/server/worker.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     id: usize,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/server/worker.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     thread: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.16s
[INFO] running `"docker" "inspect" "963894fdd80c3fb8bf74ca97e020750072e039de85baf687fda3530d76cc258b"`
[INFO] running `"docker" "rm" "-f" "963894fdd80c3fb8bf74ca97e020750072e039de85baf687fda3530d76cc258b"`
[INFO] [stdout] 963894fdd80c3fb8bf74ca97e020750072e039de85baf687fda3530d76cc258b